Share this story

»Play VideoStudents walk past a pole where someone placed one of the mysterious stickers that caused concern. The stickers popped up at several Portland high schools over the weekend. The stickers appear to part of a marketing stunt.

Story Photos

When stickers were found plastered over Portland high schools, which linked to a website with a mysterious countdown, students and parents raised concerns with district leaders. Their concerns gained traction once they learned Portland Police launched an investigation.

Story Photos

Gus, a Steller sea lion at the Oregon Zoo known for his gentle demeanor, was humanely euthanized Sunday after a decline due to complications related to his advanced age, officials said.

At 27, he was the oldest male Steller sea lion in any U.S. zoo or aquarium — and is believed to have been the oldest anywhere on the planet. In the wild, male sea lions seldom live past the age of 18, according to marine biologists.